lywsvip/CocosCreatorTutorial
1
0
Fork 0
mirror of https://github.com/Leo501/CocosCreatorTutorial.git synced 2026-06-05 02:37:16 +08:00
Code Issues Packages Projects Releases Wiki Activity

添加对String 加密与解密

Browse Source
This commit is contained in:
Leo
2020-05-21 22:56:59 +08:00
parent 373fa60819
commit 5d013770cd
28 changed files with 31995 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
DncryptDemo/assets/Script/HelloWorld.js Normal file
View File

@@ -0,0 +1,32 @@
const encrypt = require('encryptjs');
cc.Class({
extends: cc.Component,
properties: {
label: {
default: null,
type: cc.Label
},
// defaults, set visually when attaching this script to the Canvas
text: 'Hello, World!'
},
// use this for initialization
onLoad: function () {
this.label.string = this.text;
let abc = 'aaaaaaaaaaa';
let key = 'key';
let encryStr = encrypt.encrypt(abc, key, 256);
console.log('abc=', encryStr);
let decryStr = encrypt.decrypt(encryStr, key, 256);
console.log('abc', decryStr);
},
// called every frame
update: function (dt) {
},
});

9
DncryptDemo/assets/Script/HelloWorld.js.meta Normal file
View File

@@ -0,0 +1,9 @@
{
"ver": "1.0.8",
"uuid": "280c3aec-6492-4a9d-9f51-a9b00b570b4a",
"isPlugin": false,
"loadPluginInWeb": true,
"loadPluginInNative": true,
"loadPluginInEditor": false,
"subMetas": {}
}

7
DncryptDemo/assets/Script/libs.meta Normal file
View File

@@ -0,0 +1,7 @@
{
"ver": "1.0.1",
"uuid": "5bba654d-86b6-417e-a001-4908a34e73eb",
"isSubpackage": false,
"subpackageName": "",
"subMetas": {}
}

209
DncryptDemo/assets/Script/libs/algo.js Normal file
View File

@@ -0,0 +1,209 @@
/* jshint node:true *//* global define */
'use strict';
/**
* Rijndael cipher encryption routines,
*
* Reference implementation of FIPS-197 http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf.
*
* @namespace
*/
var Algo = {};
/**
* Cipher function: encrypt 'input' state with Rijndael algorithm [§5.1];
* applies Nr rounds (10/12/14) using key schedule w for 'add round key' stage.
*
* @param {number[]} input - 16-byte (128-bit) input state array.
* @param {number[][]} w - Key schedule as 2D byte-array (Nr+1 x Nb bytes).
* @returns {number[]} Encrypted output state array.
*/
Algo.cipher = function(input, w) {
var Nb = 4; // block size (in words): no of columns in state
var Nr = w.length/Nb - 1; // no of rounds: 10/12/14 for 128/192/256-bit keys
var state = [[],[],[],[]]; // initialise 4xNb byte-array 'state' with input [§3.4]
for (var i=0; i<4*Nb; i++) state[i%4][Math.floor(i/4)] = input[i];
state = Algo.addRoundKey(state, w, 0, Nb);
for (var round=1; round<Nr; round++) {
state = Algo.subBytes(state, Nb);
state = Algo.shiftRows(state, Nb);
state = Algo.mixColumns(state, Nb);
state = Algo.addRoundKey(state, w, round, Nb);
}
state = Algo.subBytes(state, Nb);
state = Algo.shiftRows(state, Nb);
state = Algo.addRoundKey(state, w, Nr, Nb);
var output = new Array(4*Nb); // convert state to 1-d array before returning [§3.4]
for (var i=0; i<4*Nb; i++) output[i] = state[i%4][Math.floor(i/4)];
return output;
};
/**
* Perform key expansion to generate a key schedule from a cipher key [§5.2].
*
* @param {number[]} key - Cipher key as 16/24/32-byte array.
* @returns {number[][]} Expanded key schedule as 2D byte-array (Nr+1 x Nb bytes).
*/
Algo.keyExpansion = function(key) {
var Nb = 4; // block size (in words): no of columns in state
var Nk = key.length/4; // key length (in words): 4/6/8 for 128/192/256-bit keys
var Nr = Nk + 6; // no of rounds: 10/12/14 for 128/192/256-bit keys
var w = new Array(Nb*(Nr+1));
var temp = new Array(4);
// initialise first Nk words of expanded key with cipher key
for (var i=0; i<Nk; i++) {
var r = [key[4*i], key[4*i+1], key[4*i+2], key[4*i+3]];
w[i] = r;
}
// expand the key into the remainder of the schedule
for (var i=Nk; i<(Nb*(Nr+1)); i++) {
w[i] = new Array(4);
for (var t=0; t<4; t++) temp[t] = w[i-1][t];
// each Nk'th word has extra transformation
if (i % Nk == 0) {
temp = Algo.subWord(Algo.rotWord(temp));
for (var t=0; t<4; t++) temp[t] ^= Algo.rCon[i/Nk][t];
}
// 256-bit key has subWord applied every 4th word
else if (Nk > 6 && i%Nk == 4) {
temp = Algo.subWord(temp);
}
// xor w[i] with w[i-1] and w[i-Nk]
for (var t=0; t<4; t++) w[i][t] = w[i-Nk][t] ^ temp[t];
}
return w;
};
/**
* Apply SBox to state S [§5.1.1]
* @private
*/
Algo.subBytes = function(s, Nb) {
for (var r=0; r<4; r++) {
for (var c=0; c<Nb; c++) s[r][c] = Algo.sBox[s[r][c]];
}
return s;
};
/**
* Shift row r of state S left by r bytes [§5.1.2]
* @private
*/
Algo.shiftRows = function(s, Nb) {
var t = new Array(4);
for (var r=1; r<4; r++) {
for (var c=0; c<4; c++) t[c] = s[r][(c+r)%Nb]; // shift into temp copy
for (var c=0; c<4; c++) s[r][c] = t[c]; // and copy back
} // note that this will work for Nb=4,5,6, but not 7,8
return s; // see asmaes.sourceforge.net/rijndael/rijndaelImplementation.pdf
};
/**
* Combine bytes of each col of state S [§5.1.3]
* @private
*/
Algo.mixColumns = function(s, Nb) {
for (var c=0; c<4; c++) {
var a = new Array(4); // 'a' is a copy of the current column from 's'
var b = new Array(4); // 'b' is a•{02} in GF(2^8)
for (var i=0; i<4; i++) {
a[i] = s[i][c];
b[i] = s[i][c]&0x80 ? s[i][c]<<1 ^ 0x011b : s[i][c]<<1;
}
// a[n] ^ b[n] is a•{03} in GF(2^8)
s[0][c] = b[0] ^ a[1] ^ b[1] ^ a[2] ^ a[3]; // {02}•a0 + {03}•a1 + a2 + a3
s[1][c] = a[0] ^ b[1] ^ a[2] ^ b[2] ^ a[3]; // a0 • {02}•a1 + {03}•a2 + a3
s[2][c] = a[0] ^ a[1] ^ b[2] ^ a[3] ^ b[3]; // a0 + a1 + {02}•a2 + {03}•a3
s[3][c] = a[0] ^ b[0] ^ a[1] ^ a[2] ^ b[3]; // {03}•a0 + a1 + a2 + {02}•a3
}
return s;
};
/**
* Xor Round Key into state S [§5.1.4]
* @private
*/
Algo.addRoundKey = function(state, w, rnd, Nb) {
for (var r=0; r<4; r++) {
for (var c=0; c<Nb; c++) state[r][c] ^= w[rnd*4+c][r];
}
return state;
};
/**
* Apply SBox to 4-byte word w
* @private
*/
Algo.subWord = function(w) {
for (var i=0; i<4; i++) w[i] = Algo.sBox[w[i]];
return w;
};
/**
* Rotate 4-byte word w left by one byte
* @private
*/
Algo.rotWord = function(w) {
var tmp = w[0];
for (var i=0; i<3; i++) w[i] = w[i+1];
w[3] = tmp;
return w;
};
// sBox is pre-computed multiplicative inverse in GF(2^8) used in subBytes and keyExpansion [§5.1.1]
Algo.sBox = [0x63,0x7c,0x77,0x7b,0xf2,0x6b,0x6f,0xc5,0x30,0x01,0x67,0x2b,0xfe,0xd7,0xab,0x76,
0xca,0x82,0xc9,0x7d,0xfa,0x59,0x47,0xf0,0xad,0xd4,0xa2,0xaf,0x9c,0xa4,0x72,0xc0,
0xb7,0xfd,0x93,0x26,0x36,0x3f,0xf7,0xcc,0x34,0xa5,0xe5,0xf1,0x71,0xd8,0x31,0x15,
0x04,0xc7,0x23,0xc3,0x18,0x96,0x05,0x9a,0x07,0x12,0x80,0xe2,0xeb,0x27,0xb2,0x75,
0x09,0x83,0x2c,0x1a,0x1b,0x6e,0x5a,0xa0,0x52,0x3b,0xd6,0xb3,0x29,0xe3,0x2f,0x84,
0x53,0xd1,0x00,0xed,0x20,0xfc,0xb1,0x5b,0x6a,0xcb,0xbe,0x39,0x4a,0x4c,0x58,0xcf,
0xd0,0xef,0xaa,0xfb,0x43,0x4d,0x33,0x85,0x45,0xf9,0x02,0x7f,0x50,0x3c,0x9f,0xa8,
0x51,0xa3,0x40,0x8f,0x92,0x9d,0x38,0xf5,0xbc,0xb6,0xda,0x21,0x10,0xff,0xf3,0xd2,
0xcd,0x0c,0x13,0xec,0x5f,0x97,0x44,0x17,0xc4,0xa7,0x7e,0x3d,0x64,0x5d,0x19,0x73,
0x60,0x81,0x4f,0xdc,0x22,0x2a,0x90,0x88,0x46,0xee,0xb8,0x14,0xde,0x5e,0x0b,0xdb,
0xe0,0x32,0x3a,0x0a,0x49,0x06,0x24,0x5c,0xc2,0xd3,0xac,0x62,0x91,0x95,0xe4,0x79,
0xe7,0xc8,0x37,0x6d,0x8d,0xd5,0x4e,0xa9,0x6c,0x56,0xf4,0xea,0x65,0x7a,0xae,0x08,
0xba,0x78,0x25,0x2e,0x1c,0xa6,0xb4,0xc6,0xe8,0xdd,0x74,0x1f,0x4b,0xbd,0x8b,0x8a,
0x70,0x3e,0xb5,0x66,0x48,0x03,0xf6,0x0e,0x61,0x35,0x57,0xb9,0x86,0xc1,0x1d,0x9e,
0xe1,0xf8,0x98,0x11,0x69,0xd9,0x8e,0x94,0x9b,0x1e,0x87,0xe9,0xce,0x55,0x28,0xdf,
0x8c,0xa1,0x89,0x0d,0xbf,0xe6,0x42,0x68,0x41,0x99,0x2d,0x0f,0xb0,0x54,0xbb,0x16];
// rCon is Round Constant used for the Key Expansion [1st col is 2^(r-1) in GF(2^8)] [§5.2]
Algo.rCon = [ [0x00, 0x00, 0x00, 0x00],
[0x01, 0x00, 0x00, 0x00],
[0x02, 0x00, 0x00, 0x00],
[0x04, 0x00, 0x00, 0x00],
[0x08, 0x00, 0x00, 0x00],
[0x10, 0x00, 0x00, 0x00],
[0x20, 0x00, 0x00, 0x00],
[0x40, 0x00, 0x00, 0x00],
[0x80, 0x00, 0x00, 0x00],
[0x1b, 0x00, 0x00, 0x00],
[0x36, 0x00, 0x00, 0x00] ];
/* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - */
if (typeof module != 'undefined' && module.exports) module.exports = Algo; // CommonJs export
if (typeof define == 'function' && define.amd) define([], function() { return Algo; }); // AMD

9
DncryptDemo/assets/Script/libs/algo.js.meta Normal file
View File

@@ -0,0 +1,9 @@
{
"ver": "1.0.8",
"uuid": "1e54fe03-69f5-424a-aca9-6cec6270fdf4",
"isPlugin": false,
"loadPluginInWeb": true,
"loadPluginInNative": true,
"loadPluginInEditor": false,
"subMetas": {}
}

205
DncryptDemo/assets/Script/libs/encryptjs.js Normal file
View File

@@ -0,0 +1,205 @@
/*!
* Copyright (c) 2015 Sri Harsha <sri.harsha@zenq.com>
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
(function (name, definition) {
if (typeof exports !== 'undefined' && typeof module !== 'undefined') {
module.exports = definition();
} else if (typeof define === 'function' && typeof define.amd === 'object') {
define(definition);
} else if (typeof define === 'function' && typeof define.petal === 'object') {
define(name, [], definition);
} else {
this[name] = definition();
}
})('encryptjs', function (encryptjs) {
'use strict';
encryptjs = { version: '1.0.0' };
//Right before exporting the validator object, pass each of the builtins
//through extend() so that their first argument is coerced to a string
encryptjs.init = function () {
console.log("--------------------Applying Encryption Algorithm------------------ ");
};
'use strict';
if (typeof module!='undefined' && module.exports) var Algo = require('algo'); // CommonJS (Node.js)
encryptjs.encrypt = function(plaintext, password, nBits) {
var blockSize = 16; // block size fixed at 16 bytes / 128 bits (Nb=4)
if (!(nBits==128 || nBits==192 || nBits==256)) return ''; // standard allows 128/192/256 bit keys
plaintext = String(plaintext).utf8Encode();
password = String(password).utf8Encode();
// use AES itself to encrypt password to get cipher key (using plain password as source for key
// expansion) - gives us well encrypted key (though hashed key might be preferred for prod'n use)
var nBytes = nBits/8; // no bytes in key (16/24/32)
var pwBytes = new Array(nBytes);
for (var i=0; i<nBytes; i++) { // use 1st 16/24/32 chars of password for key
pwBytes[i] = isNaN(password.charCodeAt(i)) ? 0 : password.charCodeAt(i);
}
var key = Algo.cipher(pwBytes, Algo.keyExpansion(pwBytes)); // gives us 16-byte key
key = key.concat(key.slice(0, nBytes-16)); // expand key to 16/24/32 bytes long
// initialise 1st 8 bytes of counter block with nonce (NIST SP800-38A <20>B.2): [0-1] = millisec,
// [2-3] = random, [4-7] = seconds, together giving full sub-millisec uniqueness up to Feb 2106
var counterBlock = new Array(blockSize);
var nonce = (new Date()).getTime(); // timestamp: milliseconds since 1-Jan-1970
var nonceMs = nonce%1000;
var nonceSec = Math.floor(nonce/1000);
var nonceRnd = Math.floor(Math.random()*0xffff);
// for debugging: nonce = nonceMs = nonceSec = nonceRnd = 0;
for (var i=0; i<2; i++) counterBlock[i] = (nonceMs >>> i*8) & 0xff;
for (var i=0; i<2; i++) counterBlock[i+2] = (nonceRnd >>> i*8) & 0xff;
for (var i=0; i<4; i++) counterBlock[i+4] = (nonceSec >>> i*8) & 0xff;
// and convert it to a string to go on the front of the ciphertext
var ctrTxt = '';
for (var i=0; i<8; i++) ctrTxt += String.fromCharCode(counterBlock[i]);
// generate key schedule - an expansion of the key into distinct Key Rounds for each round
var keySchedule = Algo.keyExpansion(key);
var blockCount = Math.ceil(plaintext.length/blockSize);
var ciphertxt = new Array(blockCount); // ciphertext as array of strings
for (var b=0; b<blockCount; b++) {
// set counter (block #) in last 8 bytes of counter block (leaving nonce in 1st 8 bytes)
// done in two stages for 32-bit ops: using two words allows us to go past 2^32 blocks (68GB)
for (var c=0; c<4; c++) counterBlock[15-c] = (b >>> c*8) & 0xff;
for (var c=0; c<4; c++) counterBlock[15-c-4] = (b/0x100000000 >>> c*8);
var cipherCntr = Algo.cipher(counterBlock, keySchedule); // -- encrypt counter block --
// block size is reduced on final block
var blockLength = b<blockCount-1 ? blockSize : (plaintext.length-1)%blockSize+1;
var cipherChar = new Array(blockLength);
for (var i=0; i<blockLength; i++) { // -- xor plaintext with ciphered counter char-by-char --
cipherChar[i] = cipherCntr[i] ^ plaintext.charCodeAt(b*blockSize+i);
cipherChar[i] = String.fromCharCode(cipherChar[i]);
}
ciphertxt[b] = cipherChar.join('');
}
// use Array.join() for better performance than repeated string appends
var ciphertext = ctrTxt + ciphertxt.join('');
ciphertext = ciphertext.base64Encode();
return ciphertext;
};
encryptjs.decrypt = function(ciphertext, password, nBits) {
var blockSize = 16; // block size fixed at 16 bytes / 128 bits (Nb=4) for AES
if (!(nBits==128 || nBits==192 || nBits==256)) return ''; // standard allows 128/192/256 bit keys
ciphertext = String(ciphertext).base64Decode();
password = String(password).utf8Encode();
// use AES to encrypt password (mirroring encrypt routine)
var nBytes = nBits/8; // no bytes in key
var pwBytes = new Array(nBytes);
for (var i=0; i<nBytes; i++) {
pwBytes[i] = isNaN(password.charCodeAt(i)) ? 0 : password.charCodeAt(i);
}
var key = Algo.cipher(pwBytes, Algo.keyExpansion(pwBytes));
key = key.concat(key.slice(0, nBytes-16)); // expand key to 16/24/32 bytes long
// recover nonce from 1st 8 bytes of ciphertext
var counterBlock = new Array(8);
var ctrTxt = ciphertext.slice(0, 8);
for (var i=0; i<8; i++) counterBlock[i] = ctrTxt.charCodeAt(i);
// generate key schedule
var keySchedule = Algo.keyExpansion(key);
// separate ciphertext into blocks (skipping past initial 8 bytes)
var nBlocks = Math.ceil((ciphertext.length-8) / blockSize);
var ct = new Array(nBlocks);
for (var b=0; b<nBlocks; b++) ct[b] = ciphertext.slice(8+b*blockSize, 8+b*blockSize+blockSize);
ciphertext = ct; // ciphertext is now array of block-length strings
// plaintext will get generated block-by-block into array of block-length strings
var plaintxt = new Array(ciphertext.length);
for (var b=0; b<nBlocks; b++) {
// set counter (block #) in last 8 bytes of counter block (leaving nonce in 1st 8 bytes)
for (var c=0; c<4; c++) counterBlock[15-c] = ((b) >>> c*8) & 0xff;
for (var c=0; c<4; c++) counterBlock[15-c-4] = (((b+1)/0x100000000-1) >>> c*8) & 0xff;
var cipherCntr = Algo.cipher(counterBlock, keySchedule); // encrypt counter block
var plaintxtByte = new Array(ciphertext[b].length);
for (var i=0; i<ciphertext[b].length; i++) {
// -- xor plaintxt with ciphered counter byte-by-byte --
plaintxtByte[i] = cipherCntr[i] ^ ciphertext[b].charCodeAt(i);
plaintxtByte[i] = String.fromCharCode(plaintxtByte[i]);
}
plaintxt[b] = plaintxtByte.join('');
}
// join array of blocks into single plaintext string
var plaintext = plaintxt.join('');
plaintext = plaintext.utf8Decode(); // decode from UTF8 back to Unicode multi-byte chars
return plaintext;
};
if (typeof String.prototype.utf8Encode == 'undefined') {
String.prototype.utf8Encode = function() {
return unescape( encodeURIComponent( this ) );
};
}
if (typeof String.prototype.utf8Decode == 'undefined') {
String.prototype.utf8Decode = function() {
try {
return decodeURIComponent( escape( this ) );
} catch (e) {
return this; // invalid UTF-8? return as-is
}
};
}
if (typeof String.prototype.base64Encode == 'undefined') {
String.prototype.base64Encode = function() {
if (typeof btoa != 'undefined') return btoa(this); // browser
if (typeof Buffer != 'undefined') return new Buffer(this, 'utf8').toString('base64'); // Node.js
throw new Error('No Base64 Encode');
};
}
if (typeof String.prototype.base64Decode == 'undefined') {
String.prototype.base64Decode = function() {
if (typeof atob != 'undefined') return atob(this); // browser
if (typeof Buffer != 'undefined') return new Buffer(this, 'base64').toString('utf8'); // Node.js
throw new Error('No Base64 Decode');
};
}
encryptjs.init();
return encryptjs;
});

9
DncryptDemo/assets/Script/libs/encryptjs.js.meta Normal file
View File

@@ -0,0 +1,9 @@
{
"ver": "1.0.8",
"uuid": "51adb31b-734b-4455-8cff-1f8041bd8eb3",
"isPlugin": false,
"loadPluginInWeb": true,
"loadPluginInNative": true,
"loadPluginInEditor": false,
"subMetas": {}
}